diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index ce7eb458..9e77272b 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -859,7 +859,7 @@ class MainActivity : AppCompatActivity() {
                 }
                 "tel" -> {
                     val uriStr = URLDecoder.decode(uri.toString(), "UTF-8")
-                            .filterNot{setOf('-', ' ').contains(it)}
+                            .filterNot{setOf('-', ' ', '(', ')').contains(it)}
                     var account: Account? = null
                     for (a in Account.accounts())
                         if (a.telProvider != "") {